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<h2>LingPipe Licenses</h2>
<p>We offer LingPipe under a range of licenses which range from
free to perpetual server licenses. Please see our <a href="download.html">download page</a> for
pricing and descriptions.
</p>

<h2>Third-Party Licenses for Optional Components</h2>


<h3>Required Libraries</h3>

<p>
No external libraries are required to compile LingPipe.
</p>


<h3>Optional Build and Testing Libraries</h3>

<p>LingPipe employs the following libraries
for build automation and testing.  They are
not required to compile or to use LingPipe.</p>

<ul>
<li>
<a href="http://junit.org/">JUnit</a>
&nbsp;&nbsp;
[
<a href="http://junit.sourceforge.net/cpl-v10.html"
 >Common Public License</a>
]
<br/>
Junit is a unit-test framework used for testing LingPipe.
</li>

<li>
<a href="http://ant.apache.org">Apache Ant</a>
&nbsp;&nbsp;
[
<a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License</a>
]
<br/>
Ant is an XML-based build (make) tool.
</li>
</ul>

<h3>Optional Demo Libraries</h3>

<p>Some of our demos import external libraries.
None of them are required to run LingPipe itself.
Here's a listing of relevant libraries and
licenses.
</p>

<ul>
<li>
<a href="http://people.apache.org/~andyc/neko/doc/html/"
  >NekoHTML</a>
&nbsp;&nbsp;
[
<a href="http://people.apache.org/~andyc/neko/LICENSE"
  >CyberNeko License</a>
]
<br />
Parses HTML documents producing SAX events.
Depends on the Apache Xerces J libraries (see above).
</li>

<li>
<a href="http://lucene.apache.org/java/docs/index.html">Apache Lucene</a>
&nbsp;&nbsp;
[
<a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License</a>
]
<br/>
Full text indexing and search engine.
</li>

<li>
<a href="http://www.getopt.org/luke/">Luke</a>
&nbsp;&nbsp;
[
<a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License</a>
]
<br/>
Luke provides a GUI visualizer for Lucene indexes and search.
</li>

<li>
<a href="http://www.icu-project.org/">International Components for Unicode</a>
&nbsp;&nbsp;
[
<a href="http://source.icu-project.org/repos/icu/icu/trunk/license.html"
 >X License</a>
]
<br/>
ICU provides a comprehensive package for unicode handling.
</li>

<li>
<a href="http://mysql.com/">MySQL</a>
&nbsp;&nbsp;
[
<a href="http://www.mysql.com/company/legal/licensing/opensource-license.html"
 >MySQL Open Source License</a>
]
<br/>
We use MySQL for a database demo.  Because the MySQL license
is basically the Gnu General Public License (GPL)
we do not distribute it with LingPipe.
</li>

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&#169; 2003&ndash;2011 &nbsp;
<a href="mailto:lingpipe@alias-i.com">alias-i</a>
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